<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>抓老儿游戏 - 登录</title>
    <link rel="stylesheet" href="css/index.css">
</head>
<body>
    <div class="container">
        <!-- 模块一：Logo -->
        <div class="logo">
            <h1>抓老儿游戏</h1>
        </div>
        
        <!-- 模块二：登录表单 -->
        <div class="login-container">
            <div class="input-group">
                <input type="text" id="userAccount" placeholder="请输入账号" title="" required>
                <button id="loginBtn">登录</button>
            </div>
        </div>
        <div class="error-message" id="errorMessage"></div>
    </div>

    <script src="js/index.js"></script> 
</body>
</html>